Cooktop



FIG. 1 is a front perspective view of a cooktop showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the figures depict portions of the cooktop that form no part of the claimed design. The dot dash broken lines in figures depict a boundary lines and form no part of the claimed design. 

CLAIM We claim the ornamental design for a cooktop, as shown and described. 